﻿On the Bomhyliid Fauna of South Africa (JDIptera). 145 



7 (4). Wings spotted, viz. at apex and at hind border with fuscoi\s spots, 



which are sometimes pai'tly confliient. 



8 (9). Sciitellum black ; third antennal joint short, broad at base and 



quickly attenuated in a short styliform part, which ])ears a style as 

 lono- as the joint itself ; hind border of the veins with black spots 

 before their ends ..... maculosa, Wied. 



9 (8). Scvitellum red; third antennal joint elongate conical, with a very 



short terminal style ; veins of the hind border in part destitute of 

 spots ...... maculifera, sp. nov. 



10 (1). Second vein at end with simple, flat, acute loop ; marginal cross-vein 



less curved and less retreating ; species more robust, Avith broad- 

 banded wings. 



11 (12). Hind tibiae densely fringed on the outer side; occiput red; middle 



band of wings simple and reaching the hind border ; apex of wing 

 not spotted ...... stremia, Loew. 



12 (11). Hind tibiae with the usual row of spines; occiput bl.ack; middle 



band of wings divided into two parts posteriorly, but reaching the 

 hind bor-der ; apex of wing spotted . . /iirf /pes, Loew. 



ExopROsoPA (Defilippia) neurospila, sp. nov., (J. 



A narrow, elongate species with long, equally infuscated, black- 

 spotted wings bearing spots along the fourth longitudinal vein. 



Type ($ , a single specimen from M'Fongosi, Zululaud, February, 

 1914 (W. E. Jones). 



Length of body 10 mm. Occiput black, with yellowish scales and 

 whitish central fringe ; postvertical furrow narrow and not broadened 

 behind ; eyes with deep indentation and long bisecting line ; ocellar 

 tubercle reddish brown ; frons deep black, narrow at vertex but very 

 broad at the insertion of the antennae, with rather long black erect 

 hairs and yellowish scales ; face conically prominent, I'ed, with a black 

 spot on each side, with pale yellowish scales, yellow hairs on sides, and 

 a fringe of black hairs at the mouth borders, forming a dense tuft at 

 the end ; mouth borders pale yellowish. Antennae with the two basal 

 joints red, black haii-ed, the first more than twice as long as the 

 globular second joint; third joint wanting in the type. Proboscis 

 black, a little projecting ; palpi dark yellowish, pale-haired. Thorax 

 deep black, the postalar cells a little reddish, clothed with short black 

 hairs and with golden yellow scales, with a narrow stripe of yellow 

 hairs on each side and with well-developed black bristles ; collar 

 entirely yellow ; pleurae black, grey-dusted, red along the sutures and 

 behind, with wholly yellow hairs; metapleural tuft yellow; sterno- 

 pleura with yellow hairs and yellow scales. Scutellum red with black 

 base, clothed like the thorax. Squamae dirty yellowish, with whitish 

 fringe; plumula yellow ; haltères pale brownish, with a lighter knob. 

 10 



